Changing an IMEI to bypass a blacklist (e.g., for stolen phones) is a criminal offense in the US, UK, and many other countries.
SamKey specializes primarily in network decoding and certificate flashing using a credit-based payment model.
Octoplus is a highly reliable direct competitor to Z3X. It receives frequent updates to support the newest Samsung Galaxy models and chipsets (Exynos, Snapdragon, and MediaTek).
Several other tools offer IMEI repair as part of a larger service suite:
For many modern Samsung tools (SamFw, Chimera), because they use factory diag ports. Older tools may require root.
In many countries—including the United States, United Kingdom, and across Europe—changing a device's original IMEI to a different number is illegal. You should only use these tools to restore your device's original, legal identifier.
Z3X is another industry standard, providing both hardware box and software-only (shell) solutions. It is frequently mentioned in GSM forums alongside Z3X and is known for its support for older and newer Samsung phones alike.
Repairing the (International Mobile Equipment Identity) on a Samsung device is a delicate process typically reserved for restoring a lost or corrupted number due to software issues, such as a failed firmware update or root access gone wrong. Important Legal & Safety Warning
: A popular professional solution for one-click IMEI repairs and Factory Reset Protection (FRP) bypass. The Legal and Ethical Divide
Another phone has risen from the dead. Whether it should have—well, that’s a question for the lawyers.